package com.beater.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.beater.controller.bean.ResponseBodyJson;
import com.beater.global.auth0.TokenAutho;

/**
 * 登录拦截
 * @author 罗涛
 *
 */
public class LoginInterceptor implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest arg0,
			HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		// 执行完毕，返回前拦截	
		
	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
			Object arg2, ModelAndView arg3) throws Exception {
		// 在处理过程中，执行拦截		
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
			Object arg2) throws Exception {
		// 在拦截点执行前拦截，如果返回true则不执行拦截点后的操作（拦截成功）
				// 返回false则不执行拦截
		response.setCharacterEncoding("UTF-8");
		String accessToken = request.getHeader("accessToken") ;
		boolean result = false ;
		if (null != accessToken) {
			result =  TokenAutho.verifyToken(accessToken) ;			
		}
		if (result) {
			return false ;
		}
		response.getWriter().print(ResponseBodyJson.createTokenErrorResBody());
		return true ;
				
	}

}
